11112420001 has 4 divisors (see below), whose sum is σ = 11131881904. Its totient is φ = 11092958100.

The previous prime is 11112419977. The next prime is 11112420017. The reversal of 11112420001 is 10002421111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11112420001 - 2¹³ = 11112411809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112420601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9730095 + ... + 9731236.

It is an arithmetic number, because the mean of its divisors is an integer number (2782970476).

Almost surely, 2^11112420001 is an apocalyptic number.

It is an amenable number.

11112420001 is a deficient number, since it is larger than the sum of its proper divisors (19461903).

11112420001 is an equidigital number, since it uses as much as digits as its factorization.

11112420001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19461902.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11112420001 its reverse (10002421111), we get a palindrome (21114841112).

The spelling of 11112420001 in words is "eleven billion, one hundred twelve million, four hundred twenty thousand, one".